Doris Oke earned her Master’s and PhD Degrees in Chemical Engineering from University of the Witwatersrand in South Africa. She recently joined the Northwestern Argonne Institute of Science and Engineering as a Post-Doctoral Research Fellow with her research focusing on analyzing systems-level energy and environmental benefits of co optimization of liquid fuels and engines in the light-duty and heavy-duty sectors. She investigates how this approach to reducing energy consumption and emissions in transportation is complementary to electrification of light- and heavy-duty vehicles. Her other research interest is in the area of development of a continuous time framework for the synthesis of batch plants, and a process integration technique for integrated water and membrane network systems. She applies continuous time framework for scheduling of batch processes and simultaneous water and energy optimization in process industries using a mathematical modelling approach.